<nav class="main-header navbar navbar-expand navbar-white navbar-light">
    <!-- Left navbar links -->
    <ul class="navbar-nav">
        <li class="nav-item">
            <a class="nav-link" data-widget="pushmenu" href="#"><i class="fa fa-bars"></i></a>
        </li>
        <li class="nav-item d-none d-sm-inline-block">
            <a href="/" class="nav-link"  target="_blank"><i class="fa fa-home mr-1"></i>首页</a>
        </li>
    </ul>
    <ul class="navbar-nav ml-auto">
        <li class="nav-item dropdown">
            <a class="nav-link" id="sign-out" data-toggle="" href="{:url('admin/login/logout')}">
                <i class="fa fa-sign-out"></i>
                <span>退出</span>
            </a>
        </li>
    </ul>
</nav>